hazlethehollowd
contestada

Please Help :( This is Combinations

10 freshmen, 8 sophomores, 7 juniors, and 9 seniors are eligible to be on a committee.


In how many ways can a dance committee of 18 students be chosen?



In how many ways can a dance committee be chosen if it is to consist of 6 freshmen, 4 sophomores, 3 juniors, and 5 seniors.

Respuesta :

ni420

Answer:

Total way of selection is

250046000

Step-by-step explanation:

Total ways of selecting 5 seniors from 9 is 9c5

and Total ways of selecting 3 juniors from 7 is 7c3

ways of selecting 4 sopho from 8 is 8c4

ways of selecting 6 freshman from 10 is 10c6

now, total way of selection come to be

10c6 Ă— 8c4 Ă— 7c3 Ă— 9c5

=210Ă—70Ă—35Ă—126

=250047000

✌️:)

Otras preguntas